CN105884819A - 一种五配位亚胺钛化合物及其制备方法和应用 - Google Patents
一种五配位亚胺钛化合物及其制备方法和应用 Download PDFInfo
- Publication number
- CN105884819A CN105884819A CN201610118426.6A CN201610118426A CN105884819A CN 105884819 A CN105884819 A CN 105884819A CN 201610118426 A CN201610118426 A CN 201610118426A CN 105884819 A CN105884819 A CN 105884819A
- Authority
- CN
- China
- Prior art keywords
- titanium compound
- pentacoordinate
- stirring
- room temperature
- warmed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- -1 imine titanium compound Chemical class 0.000 title claims abstract description 38
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000003446 ligand Substances 0.000 claims abstract description 16
- 229910003002 lithium salt Inorganic materials 0.000 claims abstract description 15
- 159000000002 lithium salts Chemical class 0.000 claims abstract description 14
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 14
- 150000002466 imines Chemical class 0.000 claims abstract description 13
- MZRVEZGGRBJDDB-UHFFFAOYSA-N N-Butyllithium Chemical compound [Li]CCCC MZRVEZGGRBJDDB-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000000706 filtrate Substances 0.000 claims abstract description 8
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 claims abstract description 6
- 238000006243 chemical reaction Methods 0.000 claims description 25
- 238000003756 stirring Methods 0.000 claims description 21
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 20
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 14
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 9
- 229920002554 vinyl polymer Polymers 0.000 claims description 9
- 229910052757 nitrogen Inorganic materials 0.000 claims description 8
- DLEDOFVPSDKWEF-UHFFFAOYSA-N lithium butane Chemical compound [Li+].CCC[CH2-] DLEDOFVPSDKWEF-UHFFFAOYSA-N 0.000 claims description 6
- 239000002904 solvent Substances 0.000 claims description 5
- 238000001556 precipitation Methods 0.000 claims description 3
- 239000003054 catalyst Substances 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 abstract description 10
- 150000001336 alkenes Chemical class 0.000 abstract description 4
- 230000015572 biosynthetic process Effects 0.000 abstract description 4
- 238000003786 synthesis reaction Methods 0.000 abstract description 4
- 238000001914 filtration Methods 0.000 abstract description 3
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 3
- 239000002815 homogeneous catalyst Substances 0.000 abstract description 2
- IJOOHPMOJXWVHK-UHFFFAOYSA-N chlorotrimethylsilane Chemical compound C[Si](C)(C)Cl IJOOHPMOJXWVHK-UHFFFAOYSA-N 0.000 abstract 2
- 238000006138 lithiation reaction Methods 0.000 abstract 2
- NVPICXQHSYQKGM-UHFFFAOYSA-N piperidine-1-carbonitrile Chemical compound N#CN1CCCCC1 NVPICXQHSYQKGM-UHFFFAOYSA-N 0.000 abstract 1
- 239000005051 trimethylchlorosilane Substances 0.000 abstract 1
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 42
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 21
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 15
- 239000005977 Ethylene Substances 0.000 description 15
- 239000013078 crystal Substances 0.000 description 8
- 239000000047 product Substances 0.000 description 8
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 7
- 238000013019 agitation Methods 0.000 description 7
- 230000001186 cumulative effect Effects 0.000 description 7
- 230000037048 polymerization activity Effects 0.000 description 7
- 239000000376 reactant Substances 0.000 description 7
- 239000007787 solid Substances 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 239000010936 titanium Substances 0.000 description 7
- 238000001291 vacuum drying Methods 0.000 description 7
- 238000005406 washing Methods 0.000 description 7
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 238000002441 X-ray diffraction Methods 0.000 description 4
- ZSWFCLXCOIISFI-UHFFFAOYSA-N cyclopentadiene Chemical compound C1C=CC=C1 ZSWFCLXCOIISFI-UHFFFAOYSA-N 0.000 description 4
- 229910001873 dinitrogen Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229910003074 TiCl4 Inorganic materials 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 229910000071 diazene Inorganic materials 0.000 description 2
- 229910000765 intermetallic Inorganic materials 0.000 description 2
- KEGLZWGBWPJVCB-UHFFFAOYSA-N 1h-1,3,5-triazepine Chemical compound N1C=CN=CN=C1 KEGLZWGBWPJVCB-UHFFFAOYSA-N 0.000 description 1
- CHJJGSNFBQVOTG-UHFFFAOYSA-N N-methyl-guanidine Natural products CNC(N)=N CHJJGSNFBQVOTG-UHFFFAOYSA-N 0.000 description 1
- 125000003368 amide group Chemical group 0.000 description 1
- 125000005219 aminonitrile group Chemical group 0.000 description 1
- ZRALSGWEFCBTJO-UHFFFAOYSA-N anhydrous guanidine Natural products NC(N)=N ZRALSGWEFCBTJO-UHFFFAOYSA-N 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 125000003739 carbamimidoyl group Chemical group C(N)(=N)* 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 238000010668 complexation reaction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- SWSQBOPZIKWTGO-UHFFFAOYSA-N dimethylaminoamidine Natural products CN(C)C(N)=N SWSQBOPZIKWTGO-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000012968 metallocene catalyst Substances 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 238000005935 nucleophilic addition reaction Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
- C07F7/28—Titanium compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F10/02—Ethene
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
Abstract
本发明提供了一种五配位亚胺钛化合物及其制备方法和应用,合成步骤:以苯胺作为起始原料,用等摩尔量的正丁基锂锂化后与等摩尔量的三甲基氯硅烷反应,再用等摩尔量的正丁基锂锂化后与二倍摩尔量的二甲氨基腈或1‑哌啶腈加成,抽干,即得到亚胺配体锂盐;该锂盐与四氯化钛按照1:0.5摩尔比反应,过滤,抽干滤液,得到五配位亚胺钛化合物。该化合物可做均相催化剂使用,适用于烯烃聚合,有较好的应用前景。
Description
技术领域
本发明涉及亚胺金属化合物,具体涉及一种五配位亚胺钛化合物及其制备方法和应用。
背景技术
第四组金属化合物在烯烃聚合中的表现和作用促进了新型配体的研究与开发。在寻找环戊二烯配体替代品、开发其等电子体的非茂金属催化剂的研究中,胺基或亚胺基金属化合物发挥了很重要的作用,其中具有单阴离子的脒基,胍基及β-二亚胺四组金属化合物在烯烃聚合反应中表现出良好的催化性能。与β-二亚胺等电子的1,3,5-三氮杂戊二烯配体其钛化合物具有乙烯聚合催化活性,有着良好的应用前景。
发明内容
本发明的目的在于提供一种五配位亚胺钛化合物及其制备方法和应用。
本发明提供的一种五配位亚胺钛化合物,是采用苯胺为原料,通过锂化、交换反应、和无α-氢的腈亲核加成、和无水四氯化钛的复分解系列反应而得到,其化学结构式为:
R=NR2,1-piperidino
R'=H,SiMe3。
本发明提供的一种五配位亚胺钛化合物的制备方法,包括如下步骤:
(1)、亚胺配体锂盐的制备:在氮气的保护下,以乙醚为溶剂,将温度控制在-5℃~5℃,将苯胺与正丁基锂按照1∶1摩尔比混合,搅拌,混合液自然升至室温,反应过夜,将温度控制在-5℃~5℃,加入与苯胺等摩尔的三甲基氯硅烷,搅拌,自然升至室温,保持搅拌反应10小时,静置,过滤;取滤液,在-5℃~5℃下,加入与苯胺等摩尔的正丁基锂,搅拌,混合液自然升至室温,反应过夜;过滤,抽干沉淀,得到亚胺配体锂盐;
(2)、在氮气保护下,将温度控制在-5℃~5℃,以乙醚为溶剂,将亚胺配体锂盐与二甲氨基腈或1-哌啶腈按1∶2摩尔比混合,搅拌,自然升至室温后反应过夜;在-5℃~5℃下,加入0.5倍亚胺配体锂盐摩尔量的四氯化钛,混合液升至室温,反应5~20小时,过滤,浓缩滤液,得五配位亚胺钛化合物。
本发明合成的五配位亚胺钛化合物在催化乙烯聚合方面具有活性,可作为催化剂使用。
与现有技术相比本发明具有如下优点:
1.本发明原料简单易得,合成条件温和,制备方法简单,产率较高。
2.合成的五配位亚胺钛化合物在助催化剂存在下可产生含有空的配位点的阳离子活性中心,有利于烯烃配位、聚合。
3.该化合物可做均相催化剂使用,适用于烯烃聚合。
附图说明
图1五配位亚胺钛化合物a的x-射线衍射结构图
图2五配位亚胺钛化合物b的x-射线衍射结构图
具体实施方式
实施例1:
1)亚胺配体锂盐的制备:在氮气的保护下,以乙醚(30mL)为溶剂,将温度控制在0℃,将苯胺(4.10g,44.0mmol)与正丁基锂(15.7ml,2.8M,44.0mmol)混合,搅拌,混合液自然升至室温,反应过夜,将温度控制在0℃,加入三甲基氯硅烷(4.78g,44mmol),搅拌,自然升至室温,保持搅拌反应10小时,静置,过滤;取滤液,在0℃下,再加入正丁基锂(15.7ml,2.8M,44mmol),搅拌,混合液自然升至室温,反应过夜;过滤,抽干沉淀,得到亚胺配体锂盐(6.24g,82.9%);
2)在氩气保护下将0.49g(2.83mmol)亚胺配体锂盐加入到已称重的反应瓶中,加入20ml乙醚,0℃时加入二甲基氨基腈0.46ml(5.66mmol),反应12h,在0℃温度下再加入TiCl4(THF)2 0.32g(0.94mmol),室温反应12h。过滤,滤液在真空下浓缩至约6mL,放置一段时间即可生长出红色晶体,即为五配位亚胺钛化合物a。
五配位亚胺钛化合物a的x-射线衍射结构图见图1。
该产物的晶体结构数据见表1和表2。
表1.五配位亚胺钛化合物a晶体的主要参数
表2.五配位亚胺钛化合物a晶体的主要键长和键角(°)
实施例2:
1)亚胺配体锂盐的制备同实施例1
2)在氩气保护下将0.38g(2.24mmol)亚胺配体锂盐加入到已称重的反应瓶中,加入30ml乙醚,0℃时加入1-哌啶腈0.52ml(4.48mmol),反应12h,在0℃温度下再加入TiCl4(THF)2 0.25g(0.75mmol),室温反应12h。过滤,滤液在真空下浓缩至约15mL,放置数天后即可生长出黄色晶体,即为五配位亚胺钛化合物b.
五配位亚胺钛化合物b的x-射线衍射结构图见图2。
五配位亚胺钛化合物b的晶体结构数据见表3和表4。
表3.五配位亚胺钛化合物b晶体的主要参数
表4.五配位亚胺钛化合物b晶体的主要键长和键角(°)
实施例3:
步骤1,五配位亚胺钛化合物a的制备同实施例1。
步骤2,乙烯聚合:将装有机械搅拌和热电耦的500毫升的不锈钢釜抽真空并依次用用氮气和乙烯各置换3次。控制温度30℃,加入化合物a(2.7mg,5μmol)的甲苯溶液,按Al:Ti=500加入甲基铝氧烷,再加入甲苯使其总体积为100毫升,将乙烯的压力控制在10大气压,在30℃下搅拌反应30分钟。将反应液倒入烧杯,用5%的盐酸乙醇溶液终止反应,并使白色固体析出。过滤,用乙醇洗涤,真空干燥,得到产品0.0116克,聚合活性:4.64×103gmol-1h-1。
实施例4:
步骤1,五配位亚胺钛化合物a的制备同实施例1。
步骤2,乙烯聚合:将装有机械搅拌和热电耦的500毫升的不锈钢釜抽真空并依次用用氮气和乙烯各置换3次。控制温度30℃,加入化合物a(2.8mg,5μmol)的甲苯溶液,按Al:Ti=1000加入甲基铝氧烷,再加入甲苯使其总体积为100毫升,将乙烯的压力控制在10大气压,在30℃下搅拌反应30分钟。将反应液倒入烧杯,用5%的盐酸乙醇溶液终止反应,并使白色固体析出。过滤,用乙醇洗涤,真空干燥,得到产品0.0189克,聚合活性:7.56×103gmol-1h-1。
实施例5:
步骤1,五配位亚胺钛化合物a的制备同实施例1。
步骤2,乙烯聚合:将装有机械搅拌和热电耦的500毫升的不锈钢釜抽真空并依次用用氮气和乙烯各置换3次。控制温度30℃,加入化合物a(2.7mg,5μmol)的甲苯溶液,按Al:Ti=1500加入甲基铝氧烷,再加入甲苯使其总体积为100毫升,将乙烯的压力控制在10大气压,在30℃下搅拌反应30分钟。将反应液倒入烧杯,用5%的盐酸乙醇溶液终止反应,并使白色固体析出。过滤,用乙醇洗涤,真空干燥,得到产品0.0122克,聚合活性:4.88×103g mol-1h-1。
实施例6:
步骤1,五配位亚胺钛化合物a的制备同实施例1。
步骤2,乙烯聚合:将装有机械搅拌和热电耦的500毫升的不锈钢釜抽真空并依次用用氮气和乙烯各置换3次。控制温度30℃,加入化合物a(2.8mg,5μmol)的甲苯溶液,按Al:Ti=2000加入甲基铝氧烷,再加入甲苯使其总体积为100毫升,将乙烯的压力控制在10大气压,在30℃下搅拌反应30分钟。将反应液倒入烧杯,用5%的盐酸乙醇溶液终止反应,并使白色固体析出。过滤,用乙醇洗涤,真空干燥,得到产品0.0179克,聚合活性:7.16×103g mol-1h-1。
实施例7:
步骤1,五配位亚胺钛化合物a的制备同实施例1。
步骤2,乙烯聚合:将装有机械搅拌和热电耦的500毫升的不锈钢釜抽真空并依次用用氮气和乙烯各置换3次。控制温度50℃,加入化合物a(2.7mg,5μmol)的甲苯溶液,按Al:Ti=1000加入甲基铝氧烷,再加入甲苯使其总体积为100毫升,将乙烯的压力控制在10大气压,在50℃下搅拌反应30分钟。将反应液倒入烧杯,用5%的盐酸乙醇溶液终止反应,并使白色固体析出。过滤,用乙醇洗涤,真空干燥,得到产品0.0236克,聚合活性:9.44×103gmol-1h-1。
实施例8:
步骤1,五配位亚胺钛化合物a的制备同实施例1。
步骤2,乙烯聚合:将装有机械搅拌和热电耦的500毫升的不锈钢釜抽真空并依次用用氮气和乙烯各置换3次。控制温度70℃,加入化合物a(2.8mg,5μmol)的甲苯溶液,按Al:Ti=1000加入甲基铝氧烷,再加入甲苯使其总体积为100毫升,将乙烯的压力控制在10大气压,在70℃下搅拌反应30分钟。将反应液倒入烧杯,用5%的盐酸乙醇溶液终止反应,并使白色固体析出。过滤,用乙醇洗涤,真空干燥,得到产品0.1414克,聚合活性:5.66×104gmol-1h-1。
实施例9:
步骤1,五配位亚胺钛化合物b的制备同实施例2。
步骤2,乙烯聚合:将装有机械搅拌和热电耦的500毫升的不锈钢釜抽真空并依次用用氮气和乙烯各置换3次。控制温度70℃,加入化合物b(4.2mg,5μmol)的甲苯溶液,按Al:Ti=1000加入甲基铝氧烷,再加入甲苯使其总体积为100毫升,将乙烯的压力控制在10大气压,在70℃下搅拌反应30分钟。将反应液倒入烧杯,用5%的盐酸乙醇溶液终止反应,并使白色固体析出。过滤,用乙醇洗涤,真空干燥,得到产品0.1125克,聚合活性:4.50×104gmol-1h-1。
Claims (3)
1.一种五配位亚胺钛化合物,其特征在于,结构式为:
2.如权利要求1所述的一种五配位亚胺钛化合物的制备方法,其特征在于包括如下步骤:
(1)、亚胺配体锂盐的制备:在氮气的保护下,以乙醚为溶剂,将温度控制在-5℃~5℃,将苯胺与正丁基锂按照1∶1摩尔比混合,搅拌,混合液自然升至室温,反应过夜,将温度控制在-5℃~5℃,加入与苯胺等摩尔的三甲基氯硅烷,搅拌,自然升至室温,保持搅拌反应10小时,静置,过滤;取滤液,在-5℃~5℃下,加入与苯胺等摩尔的正丁基锂,搅拌,混合液自然升至室温,反应过夜;过滤,抽干沉淀,得到亚胺配体锂盐;
(2)、在氮气保护下,将温度控制在-5℃~5℃,以乙醚为溶剂,将亚胺配体锂盐与二甲氨基腈或1-哌啶腈按1∶2摩尔比混合,搅拌,自然升至室温后反应过夜;在-5℃~5℃下,加入0.5倍亚胺配体锂盐摩尔量的四氯化钛,混合液升至室温,反应5~20小时,过滤,浓缩滤液,得五配位亚胺钛化合物。
3.如权利要求1所述的五配位亚胺钛化合物作为催化剂在乙烯聚合中的应用。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610118426.6A CN105884819B (zh) | 2016-03-02 | 2016-03-02 | 一种五配位亚胺钛化合物及其制备方法和应用 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610118426.6A CN105884819B (zh) | 2016-03-02 | 2016-03-02 | 一种五配位亚胺钛化合物及其制备方法和应用 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN105884819A true CN105884819A (zh) | 2016-08-24 |
CN105884819B CN105884819B (zh) | 2018-12-07 |
Family
ID=57013805
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610118426.6A Expired - Fee Related CN105884819B (zh) | 2016-03-02 | 2016-03-02 | 一种五配位亚胺钛化合物及其制备方法和应用 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN105884819B (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109666039A (zh) * | 2018-12-13 | 2019-04-23 | 山西大学 | 一种五核锡(ii)化合物及其制备方法和应用 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103819588A (zh) * | 2014-02-25 | 2014-05-28 | 山西大学 | 一种氮杂戊二烯金属配合物催化剂及其合成方法和应用 |
CN104592310A (zh) * | 2015-01-23 | 2015-05-06 | 山西大学 | 2-吡啶取代的氮杂环金属化合物及其制备方法 |
-
2016
- 2016-03-02 CN CN201610118426.6A patent/CN105884819B/zh not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103819588A (zh) * | 2014-02-25 | 2014-05-28 | 山西大学 | 一种氮杂戊二烯金属配合物催化剂及其合成方法和应用 |
CN104592310A (zh) * | 2015-01-23 | 2015-05-06 | 山西大学 | 2-吡啶取代的氮杂环金属化合物及其制备方法 |
Non-Patent Citations (3)
Title |
---|
MEISU ZHOU等: "Organoamido zirconium(Ⅳ) and titanium(Ⅳ) complexes and their catalysis towards ethylene polymerization", 《RSC ADV.》 * |
WOUTER J. VAN MEERENDONK等: "Chloro- and alkyltitanium complexes of a new dianionic ancillary ligand: a linked amidinate-amide", 《EUR. J. INORG. CHEM.》 * |
刘芳等: "2,4-N,N’-取代的1,3,5-三氮杂戊二烯金属化合物的合成和结构", 《第十六届全国金属有机化学学术讨论会论文集》 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109666039A (zh) * | 2018-12-13 | 2019-04-23 | 山西大学 | 一种五核锡(ii)化合物及其制备方法和应用 |
CN109666039B (zh) * | 2018-12-13 | 2020-12-25 | 山西大学 | 一种五核锡(ii)化合物及其制备方法和应用 |
Also Published As
Publication number | Publication date |
---|---|
CN105884819B (zh) | 2018-12-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
MacAdams et al. | The (Ph) 2nacnac ligand in organochromium chemistry | |
Barrett et al. | Triazenide complexes of the heavier alkaline earths: Synthesis, characterization, and suitability for hydroamination catalysis | |
Duncan et al. | Synthesis, structural investigation, and reactivity of neutral and cationic bis (guanidinato) zirconium (IV) complexes | |
Arrowsmith et al. | Mononuclear three-coordinate magnesium complexes of a highly sterically encumbered β-diketiminate ligand | |
Roesky | The co-ordination chemistry of aminotroponiminatesDedicated to Professor Herbert W. Roesky on the occasion of his 65th birthday. | |
Benito et al. | Mononuclear and Dendritic Nickel (II) Complexes Containing N, N ‘-Iminopyridine Chelating Ligands: Generation Effects on the Catalytic Oligomerization and Polymerization of Ethylene | |
Yue et al. | Zirconium phosphinimide complexes: synthesis, structure, and deactivation pathways in ethylene polymerization catalysis | |
Pan et al. | Bis (oxazolinyl) phenyl-ligated rare-earth-metal complexes: highly regioselective catalysts for cis-1, 4-polymerization of isoprene | |
Luo et al. | Rare earth metal bis (amide) complexes bearing amidinate ancillary ligands: Synthesis, characterization, and performance as catalyst precursors for cis-1, 4 selective polymerization of isoprene | |
Tin et al. | Transition Metal Complexes of Guanidinate Dianions: Reactions between Guanidines and M (NMe2) 5 (M= Ta, Nb) | |
CN1561317A (zh) | 链增长反应方法 | |
Wei et al. | Aluminum Alkyl Complexes Supported by Bidentate N, N Ligands: Synthesis, Structure, and Catalytic Activity for Guanylation of Amines | |
Brunner et al. | Enantiopure amidinate complexes of the rare-earth elements | |
Lichtenberg et al. | Mono-and dinuclear neutral and cationic iron (II) compounds supported by an amidinato-diolefin ligand: characterization and catalytic application | |
Wallenhorst et al. | Bis (iminoethyl) pyridine systems with a pendant alkenyl group. Part A: cobalt and iron complexes and their catalytic behavior | |
Tuskaev et al. | Coordination compounds of titanium (IV) and 2-hydroxymethyl-phenol derivatives: Their synthesis, structure and catalytic activity in ethylene and 1-hexene polymerization | |
Kawakita et al. | Synthesis of Pyridylimido Complexes of Tantalum and Niobium by Reductive Cleavage of the N═ N Bond of 2, 2′-Azopyridine: Precursors for Early–Late Heterobimetallic Complexes | |
Tong et al. | A bulky silyl shift-directed synthesis of a silyl-linked amidinate-amidine and its Zr (IV) complex | |
Otero et al. | New achiral and chiral NNE heteroscorpionate ligands. Synthesis of homoleptic lithium complexes as well as halide and alkyl scandium and yttrium complexes | |
Nelkenbaum et al. | Synthesis, molecular structure and catalytic activity of chiral benzamidinate nickel complexes | |
Fan et al. | Synthesis and structural study of an unsymmetrical aliphatic benzamidinato ligand and its use in the formation of selected Cu (I), Mg (II) and Zr (IV) complexes | |
Milione et al. | Synthesis of α-diimine V (III) complexes and their role as ethylene polymerisation catalysts | |
CN105884819A (zh) | 一种五配位亚胺钛化合物及其制备方法和应用 | |
Crimmin et al. | Synthesis of β-diketiminato calcium silylamides and their reactions with triethylaluminium | |
US9856337B2 (en) | Polymerization catalysts |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181207 Termination date: 20210302 |
|
CF01 | Termination of patent right due to non-payment of annual fee |